GIOVANNI 50:50 Balanced Hydrating Clarifying Shampoo, 24 oz. Leaves Hair pH Balanced, Ideal for Over-Processed, Environmentally Stressed Hair. GIOVANNI 50:50 Balanced Hydrating-Clarifying Shampoo infuses each strand of hair with a proprietary blend of vitamins, nutrients, and proteins in order to increase strength and vitality. This Shampoo is for normal to dry hair types. Look in the Ingredients section for a listing of *USDA certified organic ingredients.GIOVANNI was the first full-range, salon-inspired hair-care brand in natural product stores, and today is the #1 selling Hair Care line in the United States Natural Products Industry. But before there was a brand, there was a pioneer. Arthur Guidotti had a vision and a love for all things hair. He began developing his passion as a hairstylist in Hollywood and Beverly Hills.